|Season|Tier|Division|Place|
|---|---|---|---|
|1970–01|6|Regional|—|
|2001/02|6|1ª Reg.|—|
|2002/03|5|Reg. Pref.|11th|
|2003/04|5|Reg. Pref.|9th|
|2004/05|5|Reg. Pref.|1st|
|2005/06|4|3ª|20th|
|2006/07|5|Reg. Pref.|3rd|
|2007/08|5|Reg. Pref.|1st|
|2008/09|4|3ª|16th|
|2009/10|4|3ª|17th|
|2010/11|4|3ª|18th|
|2011/12|5|Reg. Pref.|2nd|

Question: what is the total number of divisions on the chart?
Answer: 4